JPH07507599A

JPH07507599A - Aluminum alloy extrusion molded product and its manufacturing method

Info

Publication number: JPH07507599A
Application number: JP6501407A
Authority: JP
Inventors: スコット，ジェラルド　ディー．; ブロック，ジェームズ　エイ．; ケンプ，トーマス　ジェイ．
Original assignee: アルミナム　カンパニー　オブ　アメリカ
Priority date: 1992-06-05
Filing date: 1992-06-05
Publication date: 1995-08-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】本発明は鍛練した（ｗｒｏｕｇｈｔ　）アルミニウム合金のロッドおよびバー材料に関し、特に、高度の耐摩耗性面を有する要素に作るための、ＡＡ４０００タイプ、例えばＡＡ４０３２タイプのアルミニウム合金の鍛練した押出し成形ロッド製品に関する。[Detailed description of the invention] The present invention is a wrought aluminum alloy rod and bar material. Regarding materials, in particular AA4000 tape for making elements with highly wear-resistant surfaces. For example, a wrought extruded rod of aluminum alloy of type AA4032. Regarding products.

トランスミッション用弁、ニアコンプレッサ用ピストン、内燃機関用ピストン、自動車のブレーキ用要素、および表面が摩擦や摩耗に対してさらされるようなその他の用途において、例えばＡＡ６２６２および６０６１のようなアルミニウム合金を使用しうるが、それらは通常硬質のアノードコーティングが付与されて初めて使用される。これは、優れた耐摩耗性を有する硬質の酸化アルミニウムコーティングを摩耗面に付与するものである。しかしながら、そのようなコーティングを施すことは余分の陽極酸化段階が必要なたけコストが増える。硬質の鋼ライナを付与する別の方法もあるが、これも高価につきすぎる。Transmission valves, near compressor pistons, internal combustion engine pistons, Automotive braking elements and other surfaces where the surfaces are exposed to friction and wear. In other applications, aluminum such as AA6262 and 6061 Alloys may be used, but they are usually first coated with a hard anode coating. used for the first time. This is a hard aluminum oxide coat with excellent wear resistance. This applies a coating to the worn surface. However, such a coating Applying anodizing increases cost by requiring an extra anodizing step. hard steel lie There are other ways to add na, but these are also too expensive.

このように、陽極酸化段階無しに高耐摩耗性を有するアルミニウム要素を提供することが極めて望ましい。Thus, providing an aluminum element with high wear resistance without an anodizing step. It is highly desirable that

本発明は陽極酸化の必要性なく高度の耐摩耗性の面を有する要素に加工するためのアルミニウム合金のロッドを提供する。ＡＡ４０３２は】ｌ〜１３．５の重量％のＳｉ、最大１重量％の鉄、０．５〜１．３重量％のＣｕ、　０．　８〜１．　３の重量％のＭｇ、ｏ、ｉの重量％のＣｒ、０．５〜１．３の重量％のＮｉ、０２５の重量９６のＺｎの登録含有限度を有し、陽極酸化することなく前述のような要素に対して使用しつる。The present invention allows processing into elements with highly wear-resistant surfaces without the need for anodizing. Providing aluminum alloy rods. AA4032 has a weight of 】l~13.5 % Si, up to 1 wt% iron, 0.5-1.3 wt% Cu, 0. 8-1. 3 wt% Mg, o, i wt% Cr, 0.5-1.3 wt% Ni, It has a registered content limit of Zn of 96% by weight of 025 and can be processed as described above without anodizing. Vine used for elements such as.

発明の要約本発明の目的は押出し成形の後加工したロッド押出し成形品を提供することである。Summary of the invention An object of the present invention is to provide a rod extrusion product that is processed after extrusion. Ru.

本発明の目的はまず押出し成形され、次にさらに鍛練された（ｗｒｏｕｇｈｔ　）ロツド製品を提供することである。The purpose of this invention is to first extrude and then further wrought. ) to provide rod products.

本発明の別の目的は高耐摩耗性面を有する製品に加工するに適した冷間加工した押出し成形ロッド製品を提供することである。Another object of the invention is to provide a cold-worked material suitable for processing into products with a highly wear-resistant surface. Our purpose is to provide extruded rod products.

本発明の別の目的はＡＡ４０００タイプのアルミニウム合金から冷間加工し押出し成形したロッドを提供することである。Another object of the invention is to cold work and extrude aluminum alloys from AA4000 type aluminum alloys. The object of the present invention is to provide a molded rod.

本発明のこれらおよびその他の目的は本明細書および添付図面を読めば明らかとなる。These and other objects of the invention will be apparent from a reading of the specification and accompanying drawings. Become.

本発明のこれら目的によれば、ｌｌ−１３，５重量％のＳｉ、　０．　５〜２．０成形品が提供される。According to these objects of the invention, ll-13.5% by weight of Si, 0. 5-2. 0 molded products are provided.

好適実施例の詳細説明前述のように、本発明による合金は１１−１３．５重量％のＳｉと、０．５〜１．４５重量％のＣｕと、０．８〜３重量％のＭｇと、０．５〜２．９５重量％る。不純物は０．７５重量％以下のＦｅ、最大０．　１重量％のＣｒ、最大０．　２重量％のＺｎを提供するように調整することが好ましく、前記成分に対する下限は０．０１重量％でありうる。その他の不純物はそれぞれ０．０５重量％以下に限定することが好ましく、その池の不純物の組合せも０．１５重量％を上廻らないことか好ましい。Detailed description of preferred embodiments As mentioned above, the alloy according to the invention contains 11-13.5 wt% Si and 0.5-1 ．． 45 wt% Cu, 0.8-3 wt% Mg, 0.5-2.95 wt% . Impurities include 0.75% by weight or less of Fe, and a maximum of 0.75% by weight of Fe. 1% by weight Cr, maximum 0.　 Preferably adjusted to provide 2% by weight of Zn, the lower The limit may be 0.01% by weight. Other impurities are less than 0.05% by weight each It is preferable to limit the amount of impurities in the pond to 0.15% by weight or more. It is preferable that there is no such thing.

主要な合金成分については、Ｓｉは１１〜１３重量％の範囲、Ｃｕは０．５〜１、　３重量％の範囲、Ｍｇは０，８〜１．　３重量％の範囲、Ｎｉは０．　５〜１．３重量９６の範囲てよい。Ｓｉは１１．３〜１２．９重量％の範囲、Ｃｕは０．６〜１．２重量９６の範囲、Ｍｇは０．８〜１．　５重量％の範囲、Ｎｉは０．５〜１．５重量％の範囲にあることが好ましい。この好ましさは、粗い金属間化合物や初晶ケイ素（ｐｒｉｍａｒｙ　５ｉｌｉｃｏｎ　）の概ね無い均一な等軸組織を達成するためである。本発明による別の好ましい合金においては、Ｓｒは０．０１〜０゜５重量％の範囲、好ましくは０．０１５〜０．４重量％の範囲で、典型的な量としては約０．０２５重量％で介在する。Ｓｒはケイ素粒子すなわち粒子を含有するケイ素の組織を修正するため望ましいものである。合金成分の数およびそれら相互の作用のため、事実全＜篤＜べきことに不固溶成分が微細化される。このため必要な時間と温度を低減させることにより均質化を促進する。Regarding the main alloy components, Si ranges from 11 to 13 wt%, Cu ranges from 0.5 to 1 , 3% by weight, Mg is 0.8-1. 3% by weight range, Ni is 0. 5～ May range from 1.3 weight to 96. Si ranges from 11.3 to 12.9% by weight, Cu ranges from 11.3 to 12.9% by weight. 0.6-1.2 weight 96 range, Mg 0.8-1. In the range of 5% by weight, Ni is It is preferably in the range of 0.5 to 1.5% by weight. This preference is due to coarse metals Uniform, almost free of intermediate compounds and primary silicon (primary silicon) This is to achieve an equiaxed structure. In another preferred alloy according to the invention, S r is in the range of 0.01 to 0.5% by weight, preferably in the range of 0.015 to 0.4% by weight. A typical amount is about 0.025% by weight. Sr is silicon particle That is, it is desirable for modifying the structure of silicon containing particles. alloy composition Due to the number of fractions and their interaction, in fact all of the Be refined. This promotes homogenization by reducing the required time and temperature. Ru.

本合金はＢ、Ｖ、Ｓｃ、Ｍｎ、Ｅｒ、ＺｎＳＴｉおよびＦｅから選択した成分の少なくとも一成分を含有することができ、前記成分はＢが最大０．　２重量％、 ■が最大０．３重量％、Ｓｃが最大０．３重量％、Ｍｎが最大１重量％、Ｅｒが最大０．２重量％、Ｚｎが最大０．２重量％、Ｔｉが最大０．２５重量％、Ｆｅが最大１重量％であることが注目される。前記成分のいずれかが使用されるか、あるいは合金中に介在する場合、そのような成分の下限は通常０．０５重量％以上である。This alloy contains components selected from B, V, Sc, Mn, Er, ZnSTi and Fe. It may contain at least one component, said component having B up to 0. 2% by weight, ■ is up to 0.3% by weight, Sc is up to 0.3% by weight, Mn is up to 1% by weight, Er is up to Maximum 0.2% by weight, Zn maximum 0.2% by weight, Ti maximum 0.25% by weight, Fe is at most 1% by weight. whether any of the above ingredients are used; Alternatively, if such components are present in the alloy, the lower limit of such components is usually 0.05% by weight or less. It is above.

本合金に本明細書に記載のように本合金に調整された量の合金成分を具備させることと共に、合理的な費用で望ましい特性を提供するように特定の方法のステップに従って合金製品が調製されることが好ましい。このように、本明細書に記載の合金は、連続鋳造か好ましいが、現在当該技術分野において採用されている技術により、適当な鍛練された製品を作るためにインゴットあるいはビレットとして提供しうる。鋳造インゴットは後続の加工作業に適した材料を提供するように予備加工あるいは成形すればよい。主要な加工作業の前に、マグネシウムおよびケイ素あるいはその他の溶解性成分を分解し、金属の内部組織を均質化するために、合金材料を好ましくは４８２．２°Ｃ（９００°Ｆ）〜５９３．３°Ｃ（１１００°Ｆ）の範囲の金属温度で、少なくとも１時間均質化することが好ましい。Providing the alloy with adjusted amounts of alloying components as described herein along with specific method steps to provide the desired characteristics at a reasonable cost. Preferably, the alloy product is prepared according to the process. Thus, as described herein The alloy may be continuously cast, preferably by continuous casting, but by techniques currently employed in the art. Ingots or billets can be made into suitable forged products by techniques. can be provided. Cast ingots now provide suitable material for subsequent processing operations Preliminary processing or molding is sufficient. Magnesium and To decompose silicon or other soluble components and homogenize the internal structure of metals The alloy material is preferably heated between 482.2°C (900°F) and 593.3°C (1 Preferably, homogenization is carried out for at least 1 hour at a metal temperature in the range of 100° F. .

好ましい時間は均質化温度範囲において２時間以上である。通常、加熱および均質化処理は２４時間以上続ける必要はないが、時間が長いからといって通常問題はない。均質化温度における１２時間から２０時間の時間が極めて適当であることが判明している。例えば典型的な均質化処理は５１０℃（９５０°Ｆ）において１８時間である。加工性あるいは成形性を向上させるために成分を固溶することの他に、この均質化処理は、例えば鉄やケイ素によって形成される成分のようないずれかの未固溶の成分を合着するものと考えられているので重要である。The preferred time is 2 hours or more within the homogenization temperature range. Usually heated and equalized It is not necessary to continue the quality treatment for more than 24 hours, but even if it takes a long time, it is usually not a problem. There isn't. A time of 12 to 20 hours at the homogenization temperature is found to be quite suitable. It has been found that. For example, a typical homogenization process is performed at 510°C (950°F). That's 18 hours. Solid solution of components to improve processability or moldability In addition to the This is important because it is thought to coalesce any undissolved components.

均質化処理の後、本金属は最終製品に成形するのに適したシート、押出し成形品あるいはその池の材料を作るために、圧延、押出し成形、あるいはその他の加工作業を加えることができる。シート状の製品を作るには合金塊は、約２．５４ミリ（０，１イニ／チ）〜約４．０６ミリ（０，１６インチ）あるいは５．０８ミ・　リ（０，１６インチ）の範囲、典型的には３．５６ミリ（０，１４インチ）の厚さまで熱間圧延することか好ましい。熱間圧延あるいは押出し成形に対して、温度！、ｔ５３７．８°Ｃ（１０００°Ｆ）　〜２０４．４°Ｃ（４００’Ｆ）（７）範囲であるべきである。金属の温度は最初は４２６．７°Ｃ（８０００Ｆ）　〜５３７．８°Ｃ（１，０００°Ｆ）、完了時の温度は２０４．４°Ｃ（４００’Ｆ）　〜３１５．６”Ｃ（６００°Ｆ）であることか好ましい。After the homogenization process, the metal is made into sheets, extrusions, suitable for forming into final products. or by rolling, extrusion, or other processing to create the pond material. You can add work. To make a sheet-like product, the alloy ingot must be approximately 2.54 mm. (0.1 inch/inch) to approximately 4.06 mm (0.16 inch) or 5.08 mm - Range of 0.16 inches (0.16 inches), typically 0.14 inches (3.56 mm) It is preferable to hot roll it to a thickness of . For hot rolling or extrusion ,temperature! , t537.8°C (1000°F) ~ 204.4°C (400'F )(7) should be in the range. The temperature of the metal is initially 426.7°C (8000°C). F) ~537.8°C (1,000°F), temperature at completion is 204.4°C ( 400'F) to 315.6''C (600°F).

所期の用途がシート製品である場合、典型的には２．５４ミリ（ｏ、１インチ）〜６．３５ミリ（０，２５インチ）である前記の可成り厚いシートに対しては熱間圧延以外の作業は不要である。If the intended application is a sheet product, typically 2.54 mm (o, 1 inch) For the fairly thick sheet, which is ~6.35 mm (0.25 inch) No work other than inter-rolling is required.

所期の用途が、トランスミッションの弁やニアコンプレッサあるいはエンジン用ピストンのようなピストン、あるいはその池の車両用あるいはその多の軽量要素のように高度に耐摩耗性の必要な製品を作るための鍛練したロッドあるいはバーである場合、必要な機械加工性を提供するよう各ロフトを慎重に作ることが好ましい。本明細書で使用するロッドという用語は六角、四角、長方形、および丸形を含む断面形状や、針ゲージを含むゲージを含んでいることを意味する。このように、本発明の一過程において、インゴットは熱間圧延に適したビレットサイズに押出し成形される。そのようなサイズは直径が約２５．４ミリ（１インチ）〜２５４ミリ（１０インチ）の範囲、例えば１５２．４ミリ（６インチ）でよい。The intended use is for transmission valves, near compressors, or engines. Pistons such as pistons, or other lightweight elements for vehicles or more wrought rods or bars for making products that require a high degree of wear resistance, such as If so, it is preferable to carefully craft each loft to provide the required machinability. Yes. The term rod as used herein refers to hexagonal, square, rectangular, and round shapes. This means that it includes cross-sectional shapes that include , and gauges that include needle gauges. This way In one step of the present invention, the ingot has a billet size suitable for hot rolling. extruded into. Such sizes range from approximately 25.4 mm (1 inch) in diameter to It may be in the range of 254 mm (10 inches), for example 152.4 mm (6 inches).

その１組押出し成形されたビレットは、直径が６．３５ミリ（１／４インチ）から２５　、　４　ミリ（１インチ）でよい熱間圧延されたロッドを提供するように３１５．６°Ｃ（６００°Ｆ）〜４２６．７℃（８００’Ｆ）の範囲の温度て熱間Ｐｆ延てきる。ロッドを熱間圧延することにより約６５〜９９％断面を縮小する。The extruded billets are 6.35 mm (1/4 inch) in diameter. To provide a hot rolled rod with a thickness of 25 mm (1 inch) at temperatures ranging from 315.6°C (600°F) to 426.7°C (800'F). Hot Pf is extended. By hot rolling the rod, the cross section is reduced by approximately 65-99%. do.

次に、熱間圧延されたロフトは製品を作るに有用なロッドあるいはバーサイズまで引き抜くか、あるいは必要なものより僅かに大きい直径、例えば０．１−１０％大きく、典型的には０．２５〜約２９６大きい直径まで引き抜けばよい。その後、引抜きされたロッドは可溶性成分を概ね固溶するように溶体化熱処理される。溶体化熱処理は４８２．２°Ｃ（９００°Ｆ）〜５３７．８℃（１０００°Ｆ）の範囲の温度で達成することが好ましい。最終製品の必要な望ましい特性をさらに提供するために、ロッドは未調整の析出を阻止するか、あるいは最小とするために急速冷却される。本発明の実施においては、溶体化温度から約１７６．７ °Ｃ（３５０°Ｆ）以下までの冷却速度は少なくともｌＯ°Ｆ／秒であることが好ましい。Next, the hot rolled loft is useful for making rod or bar sizes. or a diameter slightly larger than that required, e.g. 0.1-10 % larger diameter, typically 0.25 to about 296 larger. the After that, the drawn rod is subjected to solution heat treatment so that most of the soluble components are dissolved in solid solution. . Solution heat treatment is from 482.2°C (900°F) to 537.8°C (1000°F ) is preferably achieved at a temperature in the range of . Determine the required desired properties of the final product. The rod prevents or minimizes uncontrolled precipitation in order to provide It is rapidly cooled. In the practice of this invention, from the solution temperature to about 176.7 The cooling rate below 350°F (°C) should be at least 10°F/sec. preferable.

好ましい冷却速度は３９８．９°Ｃ（７５０°Ｆ）以上から２８７．８℃（５５０’Ｆ）以下まての温度範囲において少なくとも３００°Ｆ／秒である。金属が約１７６．７℃（３５０°Ｆ）の温度に達した後、空冷される。適当な冷却速度は水冷によって得ることができる。冷却の後、ロッドが僅かにより大きい直径まで熱間圧延されるようなものである場合、機械加工あるいは製作に適したサイズまで再度引抜き加工される。再引抜き作業は、最終製品に適した強度特性を増加させるためのある量の冷間加工を付与するものである。さらに、ロッドがコイルの形態であれば、再引抜き加工は、均一な特性を有する真直な長さの鍛練ロッドを・　提供する強化作業として用いることができる。真直矯正の前、あるいは後に、希望に応じてロッドにエツチング、バニシ仕上げあるいはその他の形態の表面仕上げを行えばよい。The preferred cooling rate is from 750°F (398.9°C) to 55°C (287.8°C). at least 300°F/sec over a temperature range of up to 0'F). metal After reaching a temperature of approximately 176.7°C (350°F), it is air cooled. Appropriate cooling rate can be obtained by water cooling. After cooling, the rod will have a slightly larger diameter or If the item is hot rolled in It will be drawn out again until the end. Re-pulling operations increase the strength properties suitable for the final product A certain amount of cold working is applied to achieve the desired results. Furthermore, the rod is coiled If it is in the form of It can be used as a reinforcement work to provide... Before or after straightening Etching, burnishing or other forms of surface finish on the rod as desired. All you have to do is finish the surface.

最終製品に必要な強度を提供するために、ロッド製品を１０７．２°Ｃ（２２５ ’Ｆ）〜２０４．４°Ｃ（４００°Ｆ）の温度範囲で約６時間〜１２時間時効することができる。ロッドはアルミニウム協会（Ｔｈｅ　Ａｌｕｍｉｎｕｍ　Ａｓ５ｏｃｉａｔｉ叩）により刊行され、参考のために本明細書に含めている、１９８８年度版アルミニウム規格およびデータ（Ａｌｕｍｉｎｕｍ　５ｔａｎｄａｒｄｓ　ａｎｄ　Ｄａｔａ）に記載のＴ３、Ｔ３５１、Ｔ４、Ｔ４５１．Ｔ６、Ｔ６５１、Ｔ８、ＴａＳ２．Ｔ９等から選択した多数の焼戻し条件のいずれかにより提供することができる。上記のステップは、例えば６．３５ミリ（ｌ／４インチ）〜１９．０５ミリ（３／４インチ）の直径のような小径のロッドに対して特に適している。The rod product was heated to 107.2°C (225°C) to provide the necessary strength for the final product. ’F) to 204.4°C (400°F) for approximately 6 to 12 hours. can be done. The rod is manufactured by The Aluminum As 5ociati) and is incorporated herein by reference, 19 1988 Edition Aluminum Standards and Data (Aluminum 5tandar T3, T351, T4, T451. T6, T 651, T8, TaS2. Depending on one of the many tempering conditions selected from T9 etc. can be provided. The above steps are for example 6.35 mm (l/4 inch) Particularly suitable for small diameter rods such as 3/4 inch (19.05 mm) diameter suitable for

例えば、１９．０５ミリ（３／４インチ）径以上の大径ロットを作りたい場合、インゴットは前述のように均質化され、押出し成形される。次にビレットは最終製品を作るのに適した直径まで（例えば室温で）冷間引抜きされる。典型的には、冷間引抜き作業により直径を５〜３５％減少させる。その後、冷間引抜き、あるいは鍛練されたロッドは前述のように溶体化熱処理される。鍛練という用語は押出し成形後の冷間、温間あるいは熱間加工を含むことを意味する。このように「鍛練され押出し成形さオｌたロット製品」という用語は、押出し成形作業後にさらに加工さね、通常、熱間圧延あ乞いは引抜きを含み得る前記加工の問直径を著しく減少させたロット製品を意味する。温間あるいは熱間加］−は約５３７．８°Ｃ（１０００°Ｆ）までの温度を含みうる。次にロッドは延伸し、真直規正すればよい。さらに、真直規正されたロッドは、Ｒ７７述のように苛性エツチング、バニシ什トげ、あるいは研磨により表面仕十−げすればよい。最終製品に必要な特性を付−ｌフするためｉｉｒ述のように時効を施せばよい。For example, if you want to make a large diameter lot with a diameter of 19.05 mm (3/4 inch) or more, The ingot is homogenized and extruded as described above. Next, the billet is the final It is cold drawn (e.g. at room temperature) to a diameter suitable for making the product. typically , the diameter is reduced by 5-35% by cold drawing operations. After that, cold drawing, or wrought rods are solution heat treated as described above. The term training This means that it includes cold, warm or hot processing after extrusion. in this way The term "wrought and extruded lot product" means that after the extrusion operation Further machining, typically hot rolling, may involve drawing. It means a significantly reduced lot product. Warm or hot heating]- is approximately 537. Temperatures up to 8°C (1000°F) may be included. The rod is then stretched and straightened. do it. Furthermore, the straightened rod should be treated with caustic etching as described in R77. The surface may be finished by polishing, burnishing, or polishing. required for the final product In order to acquire the necessary characteristics, aging may be performed as described in ii.

本発明による合金ロット製品は、硬質陽極酸化という余分のステップを行うことなく、耐摩耗面を有する製品を作りつるという利点を有している。このことは、アルミニラｌ、部材が他の部材と摺動接触する場合に種々の組立体においてアルミニウム部材を有用にするという経済性を提供する。そのようなアルミニウム部材の例どしては、エンジンあるいは空調コンプレッサ用のビス１〜ン、自動トランスミノン９ンの弁あるいはその他の部材を含む。本発明は、機械加工、板金加工（ハンマリング、絞り等）あるいは、種々のその他の製造技術を含むその他の成形作置により前記のような部材を作る材料を提供する。従い、今では以前使用された陽極酸化ステップに対する必要性か大きく低下する。さらに、本方法のステップはケイ素粒子を極めて均等に分配し、このことが耐摩耗性を向上させる。Alloy lot products according to the invention can undergo an extra step of hard anodizing. It has the advantage of producing a product with a wear-resistant surface. This means that Aluminum laminated in various assemblies when parts are in sliding contact with other parts. Provides economy in making mini parts useful. such aluminum parts Examples of materials include screws for engines or air conditioning compressors, and automatic trucks. Contains 9 valves or other components. The present invention is suitable for machining, sheet metal processing, (hammering, drawing, etc.) or other manufacturing techniques, including various other manufacturing techniques. A material is provided for making such a member by molding. Therefore, now the previously used The need for additional anodization steps is greatly reduced. Furthermore, the steps of this method TEP distributes the silicon particles very evenly, which improves wear resistance.

ロット製品は４０〜５８ｋｓｉの範囲の引張強度と、２５〜５２ｋｓｉの範囲の降伏強度どを有し、伸びは約５〜１３９６の範囲でありうる。このように良好な成形性、強度および高度の耐摩耗性を有する部材に形成しつる機械加工性とを有するロット製品が提供される。Lot products have tensile strengths ranging from 40 to 58 ksi and from 25 to 52 ksi. The elongation can range from about 5 to 1396, such as yield strength. Good like this It has formability, strength, and machinability that allows it to be formed into parts with high wear resistance. Lot products are provided.

以下の例がさらに本発明を例示する。The following examples further illustrate the invention.

例１１２．１重量％のＳｉと、０．３８重量９６のＦｅと、０．９３重量％のＣｕと、００２２重量％の〜１ｎと、１．１２重量％のＭｇと、０．８９重量％のＮｉと、０．０４１重量９６のＴｉど、０．００２３重量９６のＺｒと、０．０１５重量％のＳｒと、０００６重量％のＣｒとを含み、残りがアルミニウムである成分を有するアルミニウムベースの合金を３８１ミリ（１５インチ）のインゴットとなるように鋳込み、該インゴットを５１０″Ｃ（９５０°Ｆ）に設定した温度て１５時間均質化しこ。その後、インゴットを約９メ一トル／分（３Ｏｆｐｍ）の速さで約３７１．１°Ｃ（７００°Ｆ）で１５２．４ミリ（６インチ）の押出し成形品となるまで押し出し、次に約４５４４°Ｃ（８５０°Ｆ）から始めて、２２．２ミリ（０，８７５インチ）径のロッドとなるように熱間圧延し、そしてコイル状にした。次に、前記ロットを約３４３．３°Ｃ（６５０°Ｆ）で約ｌ　１／２時間焼鈍し、約１９．５６ミリ（０，７フインチ）径まで再引抜きした。Example 1 12.1% by weight of Si, 0.38% by weight of Fe, and 0.93% by weight of Cu. , 0022 wt% ~1n, 1.12 wt% Mg, and 0.89 wt% Ni , 0.041 weight 96 Ti, 0.0023 weight 96 Zr, 0.015 The composition contains 0.06% by weight of Sr, 0.06% by weight of Cr, and the remainder is aluminum. 381 mm (15 inch) ingot of aluminum-based alloy with The ingot was cast at a temperature of 510"C (950°F). Homogenize for 15 hours. After that, the ingot is approximately 9 meters/minute (3Ofpm) extrusion of 152.4 mm (6 inches) at approximately 371.1 °C (700 °F) at a speed of extruded until a molded part, then starting at about 4544°C (850°F), hot rolled into a 22.2 mm (0.875 inch) diameter rod; Made into a coil. The lot is then heated to about 343.3°C (650°F) for about 1 It was annealed for 1/2 hour and redrawn to a diameter of about 19.56 mm (0.7 finch).

その後、約２０分間約５１５．６°Ｃ（９６０°Ｆ）で溶体化熱処理し、続いて水冷を行った。コイル状とされたロットは次にロールで真直規正され、所定長さに切断された。所定長゛さのロッドはＴ８条件のロッドを提供するために約１０時間１７１．ピＣ（３４０°Ｆ）で時効された。そのようなロットの典型的な引張強度は約５４．５ｋｓｉで、降伏強度は約５０．５ｋｓｉで、伸びは５〜１１．５％の範囲である。Thereafter, solution heat treatment at approximately 515.6°C (960°F) for approximately 20 minutes followed by Water cooling was performed. The coiled lot is then straightened with rolls and made into a predetermined length. was cut off. The predetermined length of the rod is approximately 10 mm to provide a T8 condition rod. Time 171. It was aged at 340°F. Typical pull for such lots Tensile strength is approximately 54.5 ksi, yield strength is approximately 50.5 ksi, and elongation is 5-11 ．． It is in the range of 5%.

例２例１の成分を有するインボッＩ・が（例１と同様）まず均質化され、次いて約３８５°Ｃ（７２５°Ｆ）で、４２メ一トル／分（＋４ｆｐｍ）の速さで、直径が２８．５８ミリ（１，１２５インチ）のロッドとなるように押出し成形された。Example 2 Involution I. with the components of Example 1 is first homogenized (as in Example 1) and then about 3 diameter at 85°C (725°F) and at a rate of 42 meters per minute (+4 fpm). It was extruded into a 1,125 inch rod.

ぞの後ロット゛は２５．５８ミリ（１，００フインチ）の直径まで引抜きされ、続いて、４５分間の浸漬時間を除いて例１と同様溶剤熱処理され、次いて冷水で冷却された。ロットは（約１．　５％）延伸されて矯正され最終直径が２５．４ミリ（１インチ）となった。Ｔ６５１条件を提供するために１０時間、１６５．６°Ｃ（３３０°Ｆ）で時効が施された。特性は例Ｉのものと同様であった。The lot was then drawn to a diameter of 25.58 mm (1,00 inches). This was followed by solvent heat treatment as in Example 1 except for a 45 minute soaking time, followed by cold water treatment. Cooled. The lot was stretched (approximately 1.5%) and straightened to a final diameter of 25.4 It became a millimeter (1 inch). 165. for 10 hours to provide T651 conditions. Aging was performed at 6°C (330°F). The properties were similar to those of Example I.

フロントページの続き（７２）発明者　ブロック、ジェームズ　エイ。Continuation of front page (72) Inventor Block, James A.

アメリカ合衆国　１３６６２　ニューヨーク州マッセナ、ビー、オー、ボックス　１５０゜アルミナム　カンパニー　オブ　アメリカ気付（７２）発明者　ケンプ、トーマス　ジェイ。B.O. Box, Massena, New York 13662, United States of America 150° Aluminum Company of America Notice (72) Inventor Kemp, Thomas Jay.

アメリカ合衆国　１３６６２　ニューヨーク州マッセナ、ビー、オー、ボックス　１５０゜アルミナム　カンパニー　オブ　アメリカ気付B.O. Box, Massena, New York 13662, United States of America 150° Aluminum Company of America Notice

Claims

[Claims] 1. Forged and extruded rods to create products with highly wear-resistant surfaces. It is basically a 11.3 to 12.9 wt.% Si and 0.5 to 1.0 wt.% Si. 45 wt% Cu, 0.8-3 wt% Mg, 0.5-1.3 wt% Ni , up to 1% by weight of Fe, up to 0.1% by weight of Cr, and up to 0.25% by weight Consisting of Zn, balance aluminum, unavoidable elements and impurities, T8, T85 Rod products offered in annealing conditions of 1 or T9. 2. 2. The alloy according to claim 1, wherein the alloy contains 0.01-0.5% by weight of Si. products. 3. A rod according to claim 1, wherein the alloy contains 0.8-1.3% by weight Mg. De product. 4. 2. The alloy according to claim 1, wherein the alloy contains 0.015 to 0.4 wt% Cr. rod products. 5. The rod product of claim 1 provided with T8 or T851 annealing conditions. 6. The rod product of claim 1 provided with T9 annealing conditions. 7.11.3-12.9% by weight of Si, 0.6-1.2% by weight of Cu, 0. 8-1.5 wt% Mg, 0.5-1.3 wt% Ni, up to 1 wt% F e, up to 0.1% by weight of Cr, up to 0.25% by weight of Zn, and the balance is aluminum. It is composed of aluminum, unavoidable elements and impurities, and is provided under T8 conditions. Extruded rod products. 8.11.3-12.9% by weight of Si, 0.6-1.2% by weight of Cu, 0. 8-1.5 wt% Mg, 0.5-1.3 wt% Ni, 0.01-0.5 wt% Si, up to 1 wt% Fe, up to 0.1 wt% Cr, and up to 0.1 wt% Cr. Consisting of 25% by weight of Zn, the balance being aluminum and unavoidable elements and impurities, Wrought and extruded rod products offered in T9 annealing conditions. 9. A method of making a wrought extruded rod product, comprising: (a) 11-1. 3.5 wt% Si, 0.5-1.45 wt% Cu, 0.8-3 wt% Mg, 0.5-2.95 wt% Ni, up to 1 wt% Fe, up to 0.1 wt% Cr, up to 0.25 wt% Zn, balance aluminum and unavoidable providing a mass of an aluminum-based alloy comprising elements and impurities; (b) extruding the mass; forming or hot rolling to provide a billet for drawing; (c) drawing the billet into a rod; (d) heating the rod to solution heat; Treated, cooled, aged and wrought to have a generally stable level of mechanical properties. A method of making a rod product comprising forming an extruded rod product. 10. 10. The method of claim 9, wherein the alloy comprises 11.3-12.9% by weight Si. . 11. 10. The alloy according to claim 9, wherein the alloy contains 11.3-12.9% by weight Si. the method of. 12. 10. The alloy of claim 9, wherein the alloy contains 0.8-1.3% by weight Mg. products. 13. 10. The alloy according to claim 9, wherein the alloy contains 0.5-1.3% by weight Ni. products. 14. 10. The alloy according to claim 9, wherein the alloy contains 0.015-0.4% by weight Si. rod products. 15. Claim wherein the rod is provided in T4, T451, T6 or T651 condition 9. 16. The mass is heated to a temperature between 287.8°C (550°F) and 454.4°C (850°F). 10. The method of claim 9, wherein the method is extruded in a degree range. 17. The billet is hot rolled in step (b) to provide a hot rolled billet. 10. The method of claim 9, wherein: 18. Claim 1, wherein the hot rolled billet is drawn to further reduce its diameter. The method described in 7. 19. Hot-rolled billets and drawn billets are solution heat treated, cooled, and rolled. 19. The method of claim 18, forming a hard product. 20. The solution heat treated and cooled rod product is subjected to a second drawing operation, 20. The method of claim 19, providing a redrawn rod product. 21. 21. The method of claim 20, wherein the second drawn rod product is aged. Law. 22. Engineered rod extrusion to create parts with highly wear-resistant surfaces In the way we make our products, (a) 11 to 13.5% by weight of Si, 0.5 to 1.3% by weight of Si, and 0.5% by weight of Si; ~1.3 wt% Mg, 0.5-1.3 wt% Ni, and up to 1 wt% Fe , up to 0.1% by weight of Cr, up to 0.25% by weight of Zn, and 0.015 to 0 ．． An aluminum alloy consisting of 4% by weight of Sr, the balance being aluminum and unavoidable elements and impurities. (b) providing a mass of a luminium-based alloy; The mass is extruded at a temperature in the range of 565.6°C (1050°F) to form an extrusion. (c) heating the extrudate to 315.6°C (600°F) to 426°C; ．． A hot rolling mill suitable for hot rolling and drawing in a temperature range of 7°C (800°F). provide the (d) withdrawing said hot rolled rod to provide a reduced diameter rod; (e) (f) solution heat treating and cooling said diameter reduced rod; We re-draw a small rod and provide a re-drawn rod. (g) producing a rod extrusion product including aging said redrawn rod; How to do it. 23. Tempering conditions for the re-drawn rod to be T3, T351, T8 or T851 23. The method of claim 22, wherein the method is aged. 24. Engineered rod extrusion to create parts with highly wear-resistant surfaces In the method of making products, (a) 11-13.5% by weight of Si, 0.5-1.3% by weight of Cu, 0.8% by weight ~1.3 wt% Mg, 0.5-1.3 wt% Ni, and up to 1 wt% Fe , up to 0.1% by weight of Cr, up to 0.25% by weight of Zn, and 0.015 to 0 ．． An aluminum alloy consisting of 4% by weight of Sr, the balance being aluminum and unavoidable elements and impurities. (b) providing a mass of a luminium-based alloy; extruding at a temperature range of 565.6°C (1050°F) to provide an extrudate; (c) The compressed molded article is heated between 315.6°C (600°F) and 426.7°C (80°C). Hot rolled rods suitable for drawing are heated in the temperature range (0°F). Rolled, (d) withdrawing said hot rolled rod to reduce its diameter; (e) reducing said diameter; (f) subjecting the rod to a solution heat treatment and cooling; (f) aging said rod; How to make rod products including: 25. The rod is aged to a tempering condition of T4, T451, T6 or T651. 25. The method of claim 24. 26. How to make rod products suitable for forming into parts with highly wear-resistant surfaces In law, (a) providing a mass of aluminum alloy; (b) extruding and pultruding said mass; An extrusion is made for processing, and (c) the extrusion is pulled out to form a rod. (d) solution heat treating said rod, cooling and aging to form a rod product; wherein the aluminum alloy mass contains 11 to 13.5% by weight of S. i, 0.5 to 1.45% by weight of Cu, 0.8 to 3% by weight of Mg, and 0.5 to 1.45% by weight of Mg. 2.95% by weight of Ni, up to 1% by weight of Fe, and up to 0.1% by weight of Cr, From maximum 0.2% by weight of Zn, balance aluminum and unavoidable elements and impurities How to make a rod product with improvements. 27. The mass contains 11.3-12.9% by weight of Si and 0.6-1.2% by weight of C. u, 0.8-1.5 wt% Mg, 0.5-1.3 wt% Ni, 0.0 27. The method of claim 26, comprising 1 to 0.5% by weight of Sr. 28. 28. The method according to claim 27, wherein the mass comprises 0.015-0.4% by weight Sr. Law. 29. step (a) at 482.2°C (900°F) for at least 1 hour; Homogenizing the mass at a metal temperature of ~593.3°C (1100°F) 27. The method of claim 26, further comprising. 30. 30. The method of claim 29, wherein the homogenization is performed for more than 2 hours. 31. 30. The method of claim 29, wherein the homogenization is carried out for 12 to 20 hours. 32. moreover, (e) cutting the rod product to a desired length. Method. 33. Basically from the above steps, it is assumed that the rod product is not anodized in any way. 27. The method of claim 26, having a good wear surface without the need for a wear surface. 34. The extrusion molding in step (b) is from 204.4°C (400°F) to 27. The method of claim 26, carried out at a temperature of 1050<0>F. . 35. (e) 315.6 after said step (b) and before said step (c); Heat the extrudate at a temperature between 600°F and 800°F. 27. The method of claim 26, further comprising inter-rolling. 36. An aluminum alloy rod product formed by the method of claim 26. aluminum alloy provided with T8, T851 or T9 tempering conditions. Gold rod products. 37. An aluminum alloy piston formed by the method of claim 35. or valves provided in T8, T851 or T9 tempering conditions, anodized Aluminum alloy pistons or Or valve. 38. How to make rod products suitable for forming parts with highly wear-resistant surfaces In law, (a) providing a mass of aluminum alloy; (b) extruding and pultruding said mass; make an extrusion for processing; (c) pull out the extrusion to form a rod; (d) solution heat treating and cooling said rod to produce a rod product; (e) redrawing said rod product to form a redrawn rod; (f) redrawing said redrawn rod; the aluminum alloy has a weight of 11 to 13.5 % Si, 0.5-1.45 wt% Cu, 0.8-3 wt% Mg, 0 ．． 5 to 2.95 wt% Ni, up to 1 wt% Fe, and up to 0.1 wt% C r, up to 0.2% by weight of Zn, the balance aluminum and unavoidable elements and A method of making a rod product that is improved by being made of pure substances. 39. The mass contains 11,3-12.9% by weight of Si and 0.6-1.2% by weight of C. u, 0.8-1.5 wt% Mg, 0.5-1.3 wt% Ni, 0.0 39. The method of claim 38, comprising 1 to 0.5% by weight of Sr. 40. 40. The method according to claim 39, wherein the mass comprises 0.015-0.4% by weight Sr. Law. 41. Step (a) heats the mass between 482.2°C (900°F) and 593.3°C. Homogenize for at least 1 hour at a metal temperature of 1100°F. 39. The method of claim 38, comprising: 42. 42. The method of claim 41, wherein the homogenization is performed for 2 hours or more. 43. 42. The method of claim 41, wherein said homogenization is carried out for 12 to 20 hours. 44. moreover, (g) cutting the rod product to a desired length. Method. 45. Basically consisting of the above steps, the rod product is not anodized in any way. 39. The method of claim 38, having at least a good wear resistant surface. 46. The extrusion molding in step (b) above was performed at 204.4°C (400°F). 39. Performed at a temperature of ~565.6<0>C (1050<0>F). the method of. 47. moreover, (g) after said step (b) and before said step (c) said extrusion The shaped parts are hot heated at temperatures between 315.6°C (600°F) and 426.7°C (800°F). 39. The method of claim 38, comprising rolling. 48. Made of an aluminum alloy rod formed by the method according to claim 38. aluminum, provided in T8, T851 or T9 tempering conditions. Alloy rod products. 49. An aluminum alloy piston formed by the method of claim 44. or valves provided in T8, T851 or T9 tempering conditions, anodized Aluminum alloy pistons or is a valve. 50. Aluminum alloy with good wear resistance even without anodizing Basically, in the method of making a rod product, (a) 11.3 to 12.9% by weight of Si, 0.8 to 1.5% by weight of Mg, and 0.6 to 1.2% of Cu by weight, 0.5-1.3 wt% Ni, 0.01-0.5 wt% Sr, up to 1 wt. % of Fe, maximum of 0.1% by weight of Cr, maximum of 2% by weight of Zn, balance aluminum providing an aluminum alloy lump consisting of aluminum and unavoidable elements and impurities; (b) the mass is heated between 482.2°C (900°F) and 537.8°C for at least 1 hour; (c) homogenize the mass at a metal temperature of 204.4°C (400°F); Extrusion at temperatures ranging from 537.8°C (°F) to 537.8°C (1000°F) (d) drawing said extrudate into a rod; (e) drawing said extrudate into a rod; The rod is solution heat treated, cooled and aged to create a highly wear resistant surface. A method of making an aluminum alloy rod product including forming a rod product. 51. 51. The method according to claim 50, wherein the mass comprises 0.015-0.4% by weight Sr. Law.